Dr. John Dalton Madigan, MD
- Hospital affiliations
- 1
- Industry payments
- $16
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 1924 Alcoa Highway, Knoxville, TN 37920
- Practice phone
- Call (865) 305-9000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Madigan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. John Dalton Madigan is an anesthesiologist in Knoxville, Tennessee
Dr. Madigan practices at The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical.
Dr. Madigan's NPI, 1225617723, was assigned on April 3, 2021. Dr. Madigan holds Tennessee license 66601.
- NPI
- 1225617723NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810390085
- NPI enumeration date
- April 3, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 305-9000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Dalton Madigan practices at The University of Tennessee Medical Center in Knoxville, Tennessee
Dr. Madigan's primary practice is The University of Tennessee Medical Center, at 1924 Alcoa Highway, Knoxville, TN 37920 in Knox County. The practice phone is (865) 305-9000.
- The University of Tennessee Medical Center1924 Alcoa Highway, Knoxville, TN 37920 · Knox CountyPhone(865) 305-9000
Source: Dmand AI Affiliation Data
Dr. John Dalton Madigan is affiliated with 1 site of care and 1 medical group
Dr. Madigan's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical. The medical group on file is University Anesthesiologists.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Dalton Madigan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Madigan practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| The University of Tennessee Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Ut Medical and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Dalton Madigan is one of 734 anesthesiologists in Tennessee
Anesthesiology is Dr. Madigan's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Madigan is licensed in Tennessee.
Specialties and state licenses
- Anesthesiology, TennesseePrimary
Anesthesiologists near Dr. Madigan
Counts of anesthesiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Dalton Madigan's patients have a median age of 71
Across all payers, Dmand AI patient panel data puts Dr. Madigan's median patient age at 71, with 55% women.
Dr. Madigan's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women55%
- Men45%
Source: Dmand AI Patient Panel Data
How Dr. John Dalton Madigan takes part in Medicare
Dr. Madigan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. John Dalton Madigan received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Madigan from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Octapharma USA, Inc. paid the most, $16.
Companies that paid Dr. Madigan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Dalton Madigan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Dalton Madigan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Dalton Madigan's NPI number?
Dr. John Dalton Madigan's NPI number is 1225617723. It was assigned on April 3, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. John Dalton Madigan?
Dr. John Dalton Madigan is an anesthesiologist in Knoxville, Tennessee. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. John Dalton Madigan practice?
Dr. Madigan practices at 1924 Alcoa Highway, Knoxville, TN 37920. Dr. Madigan's primary practice is The University of Tennessee Medical Center in Knoxville, Tennessee, part of Ut Medical.
What is Dr. John Dalton Madigan's office phone number?
The practice phone on file for Dr. Madigan is (865) 305-9000.
What is Dr. John Dalton Madigan's medical license number?
Dr. Madigan holds Tennessee license 66601.
Which hospitals is Dr. John Dalton Madigan affiliated with?
Dr. Madigan practices at The University of Tennessee Medical Center in Knoxville, Tennessee.
What medical group is Dr. John Dalton Madigan part of?
Dr. Madigan is linked to University Anesthesiologists.
Does Dr. John Dalton Madigan accept Medicare?
Yes. CMS lists Dr. Madigan as accepting Medicare assignment.
Has Dr. John Dalton Madigan received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Dr. Madigan from 1 company from 2025 to 2025. The largest total came from Octapharma USA, Inc.
How long has Dr. John Dalton Madigan been practicing?
Dr. Madigan graduated from medical school in 2021, 5 years ago.
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